Fire Extinguisher & Fire Hose Reel. Learning Objectives Cadets should be able to: Identify parts of...
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Transcript of Fire Extinguisher & Fire Hose Reel. Learning Objectives Cadets should be able to: Identify parts of...
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Fire Extinguisher &
Fire Hose Reel
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Learning Objectives
Cadets should be able to:•Identify parts of an Extinguisher•Apply the correct procedures of operating an Extinguisher•Understand the advantages of using the Hose Reel•Correctly operate a Hose Reel
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ScopeIntroductionTypes of ExtinguisherParts of ExtinguisherOperating the ExtinguisherSafety Precautions (Extinguisher)Hose reel SystemUsing the Hose reelSafety Precautions (Hose reel)PracticalConclusion
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IDENTIFICATION & PARTS OF IDENTIFICATION & PARTS OF EXTINGUISHEREXTINGUISHER
Fire Extinguisher:
A fire extinguisher is a portable device specially designed to put out small fires.
3 Common types of portable fire extinguishers :
1. Water 2. Carbon Dioxide (CO2)3. Dry Chemical Powder
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Water Fire Extinguisher
Suitable:Class A fires only
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Parts of a Water Fire ExtinguisherParts of a Water Fire Extinguisher
NOZZLENOZZLE
FLEXIBLE FLEXIBLE TUBETUBE
CYLINDERCYLINDER
DISCHARGE DISCHARGE LEVERLEVER
CARRYING HANDLECARRYING HANDLE
PRESSUREPRESSUREGAUGEGAUGE
SAFETY PIN
BASEBASE
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Carbon Dioxide Fire Extinguisher
Suitable for:Class A*, B and C fires
*Most effective for very small or confined-space Class A fires
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Parts: Parts: Carbon Dioxide Fire ExtinguisherCarbon Dioxide Fire Extinguisher
CYLINDER
BASEBASE
DISCHARGEDISCHARGEHORNHORN
DISCHARGETUBE
SAFETY PINSAFETY PIN
DISCHARGEDISCHARGELEVERLEVER
CARRYINGHANDLE
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Dry Powder Fire Extinguisher
Suitable for:Class A, B and C* fires
*May corrode electrical equipment
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Parts: Dry Powder Fire Extinguisher
BASEBASE
CYLINDERCYLINDER
DISCHARGEDISCHARGELEVERLEVER
NOZZLENOZZLE
FLEXIBLE FLEXIBLE TUBETUBE
PRESSUREPRESSUREGAUGEGAUGE
SAFETY PINSAFETY PINCARRYINGCARRYING
HANDLEHANDLE
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Method of Operation
1. Carry the extinguisher to the site of fire
2. Pull out the safety pin
3. Aim the nozzle at the base of the fire
4. Squeeze the grip lever firmly
5. Sweep from side to side
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Safety Precautions
a. Do not use water extinguishers for Class B (flammable liquids and gases) and Class C (energised electrical fires)
b. Keep a safe distance
c. Do not stand facing the wind direction
d. Stay out of thick smoke areas
e. For electrical fire, remember to switch for power supply if possible
f. Do NOT Hold the Discharge Tube when operating the CO2 Fire Extinguisher as it might lead to frostbite
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HOSE REEL SYSTEM
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HOSE REEL
Minimise manpowerOne-man operated
User friendlyMinimal back pressure Suitable for use by most people Easy to operate/ be deployed
MobilityNon-Kinking reinforced rubber about 30m long.Hose extends from 15m to 30m
Strength9m throw ( water dispenses to distance of 9m) Achievable flow rate of 0.4 liters/sec.
ADVANTAGESADVANTAGES::
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HOSE REELHOSE REELIt is important to assess the type and source of fire before using a Hose reel to put out the fire!
Type of Fire Hose reel suitability
Class A
(Solid combustible material)
YES
Class B
(Flammable gases and liquid)
NO
Class C
(Electrical fire)
NO
Class D
(Reactive metals)
NO
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Checking of Hose ReelCheck that there are no obstructions preventing the
use of the Hose Reel.
Check that the key to unlock the Hose Reel cabinet is housed on the cabinet.
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Standard Fire Hose Reel enclosed inred cabinet.
Notice key at the right corner
KEY
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1. Break glass covering to retrieve key
2. Unlock the cabinet door
3. Check that Hose Reel is intact and not tangled
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4. Turn4. Turn ONON the valve to let the water flow the valve to let the water flow(anti - clockwise direction )(anti - clockwise direction )
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5. Pull out the drum towards you The Drum can swivel left to right
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6. Point the nozzle down and away6. Point the nozzle down and away
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7. 7. Turn the NozzleTurn the Nozzle Clockwise Clockwise to to test if test if the hose is workingthe hose is working
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Turn the nozzle carefully to control the amount of water gushing out
Always pointNozzle downand away fromyou
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8. Assistant to unwind the drum to extend the hose
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Hose controller and assistant must cooperate
Take Note!!!Take Note!!!
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Assistant must follow hose trail and ensure Hose is straightened
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Assistant must keep hose reel in line of sight at all times
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9. Assistant must keep Hose Controller within his view / line of sight
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10. Hand ready to twist nozzle to turn on hose reel
Note: Hose controller must keep low when approaching Fire
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Hose Reel handler and assistant must not be standing on the same side of the hose. They should be on opposite sides of the hose.
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Ensure the hose is not kinked!
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Keeping the Hose Reel
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1. When keeping the hose, ensure it is not entangled
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2. Assistant will help to reel the hose into the drum
Note: make sure the hose does not get entangled
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Ensure Hose is reeled in neatly.
Straighten the water Hose
Assist in rolling up of the water Hose
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4. Push hose reel drum into cabinet
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5. Remember to shut off water supply.
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6. Close cabinet door
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7. Lock the cabinet and mount the key back on the key holder
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SAFETY PRECAUTIONS
Ensure that water supply is available before pulling out the hose reel towards the fire.
Keep your position low whilst fighting fire in an enclosed area.
In open areas, check for wind direction before moving towards the fire with the hose reel. Move in an upwind direction to avoid smoke and heat.
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SAFETY PRECAUTIONS
Do not use the hose reel to extinguish Class B (flammable liquids/gases) or C (energised electrical equipment) fires.
In cases where you are trapped in a smoke logged situation, use the hose reel as a guideline to lead you out from hazard area.
Use the hose reel to extinguish solid combustible materials only.
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CONCLUSION
By applying correct methods of extinguishing fire with proper firefighting equipment, you can save lives and properties!!